GB1376954A - Line amplifier - Google Patents

Line amplifier

Info

Publication number
GB1376954A
GB1376954A GB1391872A GB1391872A GB1376954A GB 1376954 A GB1376954 A GB 1376954A GB 1391872 A GB1391872 A GB 1391872A GB 1391872 A GB1391872 A GB 1391872A GB 1376954 A GB1376954 A GB 1376954A
Authority
GB
United Kingdom
Prior art keywords
amplifier
varactor diodes
line
variable
stages
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB1391872A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Philips Electronics UK Ltd
Original Assignee
Philips Electronic and Associated Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Philips Electronic and Associated Industries Ltd filed Critical Philips Electronic and Associated Industries Ltd
Publication of GB1376954A publication Critical patent/GB1376954A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G1/00Details of arrangements for controlling amplification
    • H03G1/0005Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
    • H03G1/0035Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements
    • H03G1/0052Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements using diodes
    • H03G1/0064Variable capacitance diodes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B3/00Line transmission systems
    • H04B3/02Details
    • H04B3/04Control of transmission; Equalising
    • H04B3/10Control of transmission; Equalising by pilot signal
    • H04B3/12Control of transmission; Equalising by pilot signal in negative-feedback path of line amplifier

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
GB1391872A 1971-03-27 1972-03-24 Line amplifier Expired GB1376954A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7104149.A NL162278C (nl) 1971-03-27 1971-03-27 Lijnversterker.

Publications (1)

Publication Number Publication Date
GB1376954A true GB1376954A (en) 1974-12-11

Family

ID=19812789

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1391872A Expired GB1376954A (en) 1971-03-27 1972-03-24 Line amplifier

Country Status (13)

Country Link
US (1) US3774118A (nl)
JP (1) JPS519243B1 (nl)
AT (1) AT312687B (nl)
AU (1) AU467706B2 (nl)
BE (1) BE781306A (nl)
CA (1) CA953377A (nl)
CH (1) CH546519A (nl)
DE (1) DE2211325C3 (nl)
DK (1) DK141148B (nl)
FR (1) FR2132083B1 (nl)
GB (1) GB1376954A (nl)
NL (1) NL162278C (nl)
SE (1) SE368495B (nl)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2204333A5 (nl) * 1972-10-20 1974-05-17 Thomson Csf
DE2729664C3 (de) * 1977-06-30 1987-09-10 Siemens AG, 1000 Berlin und 8000 München Leitungsverstärker
GB2317517B (en) * 1996-09-20 2001-03-14 Nokia Mobile Phones Ltd Amplifier system
US8215986B1 (en) * 2008-07-25 2012-07-10 Wallace Henry B Cable connection method priority
JP2022159093A (ja) * 2021-03-31 2022-10-17 スカイワークス ソリューションズ,インコーポレイテッド 利得変動が低減される電力増幅

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1248704B (nl) * 1967-08-31
CA879264A (en) * 1971-08-24 Takizawa Haruki Temperature control of a jacketed-chamber of melt-spinning machine
US2337423A (en) * 1942-10-01 1943-12-21 Bell Telephone Labor Inc Negative feed-back amplifier
NL180125B (nl) * 1953-07-24 Metallgesellschaft Ag Werkwijze voor het fosfateren van oppervlakken van ijzer en/of staal, alsmede zo gefosfateerde voorwerpen.
GB979068A (en) * 1961-05-11 1965-01-01 Blonder Tongue Elect Variable-gain transistor circuit
GB1114949A (en) * 1967-01-04 1968-05-22 Standard Telephones Cables Ltd Negative feedback amplifiers
NL148461B (nl) * 1967-11-06 1976-01-15 Philips Nv Inrichting met een transistorversterker bevattende een ingangsversterkertrap en een eindversterkertrap.
DE1907579B2 (de) * 1969-02-14 1972-11-02 Siemens AG, 1000 Berlin u. 8000 München Regelbarer, gegengekoppelter verstaerker
DE1930926C3 (de) * 1969-06-19 1974-01-24 Siemens Ag, 1000 Berlin U. 8000 Muenchen Geregelter Verstärker
JPS527304B1 (nl) * 1969-08-29 1977-03-01
GB1300392A (en) * 1969-10-24 1972-12-20 Marconi Instruments Ltd Improvements in or relating to adjustable frequency generator equipments and adaptors therefor

Also Published As

Publication number Publication date
CA953377A (en) 1974-08-20
NL162278C (nl) 1980-04-15
NL7104149A (nl) 1972-09-29
AT312687B (de) 1974-01-10
DE2211325A1 (de) 1972-10-12
DE2211325C3 (de) 1983-01-05
AU4019372A (en) 1973-10-25
SE368495B (nl) 1974-07-01
DK141148B (da) 1980-01-21
DK141148C (nl) 1980-07-07
FR2132083A1 (nl) 1972-11-17
BE781306A (fr) 1972-09-27
DE2211325B2 (de) 1976-07-08
JPS519243B1 (nl) 1976-03-25
US3774118A (en) 1973-11-20
FR2132083B1 (nl) 1977-04-01
NL162278B (nl) 1979-11-15
AU467706B2 (en) 1973-10-25
CH546519A (de) 1974-02-28

Similar Documents

Publication Publication Date Title
GB1127801A (en) Signal translating system
GB1349310A (en) Current amplifier
GB1430618A (en) Circuit arrangement having a variable frequency response
GB1479008A (en) Amplifier circuit
SU1103812A3 (ru) Усилитель с регулируемым коэффициентом усилени
GB1017759A (en) Improvements in or relating to variable gain transistor amplifiers
GB1376954A (en) Line amplifier
GB1473299A (en) Feedback amplifier
US3571761A (en) Transistorized amplitude modulation circuit with current control
GB1516190A (en) Wideband transistor amplifier
GB1089339A (en) Improvements in or relating to multiplicative mixing with transistors
GB1387019A (en) Hf input stage particularly for a tuner for a television receiver
US3013148A (en) Automatic transmitter gain control circuit
GB1057762A (en) Improvements in or relating to transistorized amplifiers
KR900002089B1 (ko) 증폭회로
US3626331A (en) Audio signal processor
GB1411040A (en) High frequency amplifiers
GB1333080A (en) Push-pull amplifier
GB1055411A (en) High input impedance direct-coupled transistor amplifier
GB1274270A (en) Improvements in or relating to electrical attenuation equalizer circuits
GB1535823A (en) Amplifier circuit
GB849316A (en) Improvements in or relating to transistor amplifier circuits
GB1251706A (nl)
US3418591A (en) Low noise amplifier with minimum cross modulation distortion
GB1130060A (en) Improvements in and relating to electric amplifiers

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee